MAF sensor testing

Tonifreakshow · June 7th, 2011, 04:53 PM

I watched a video on youtube about testing MAF sensors with a multimeter.It says you should see 12volts with the key on \motor off and if you see lower you have a different problem because the maf won't work unless you have 12.I'm seeing 11.5 volts.Where should I start looking for the problem?

95tbirdv8 · June 7th, 2011, 05:32 PM

is your car having problems, or you just want to test the maf sensor? When you got 11.5v at the maf, what voltage did the battery have? if you had the key on engine off along with accessories on the voltage drops. so i think 11.5v would be normal.

Tonifreakshow · June 7th, 2011, 05:43 PM

I'm having problems.

YouTube - ‪1990 Mustang GT problem‬&rlm;

YouTube - ‪1990 Mustang GT problem part 2‬&rlm;

The battery has 12v. The key was on no accessories.I just found a more in depth maf testing video so I'm going to try it out.Don't have a scanner yet.

95tbirdv8 · June 7th, 2011, 05:58 PM

you dont need a scanner. you can use a test light, or just count how many times the check engine light turns on.
DIY KOEO/KOER/Cylinder Balance Self-Test Procedure

June 7th, 2011, 04:53 PM	#1
Tonifreakshow Newbie 1990 Mustang GT Join Date: Mar 2011 Location: Ohio Posts: 38 iTrader: 0 reviews	MAF sensor testing I watched a video on youtube about testing MAF sensors with a multimeter.It says you should see 12volts with the key on \motor off and if you see lower you have a different problem because the maf won't work unless you have 12.I'm seeing 11.5 volts.Where should I start looking for the problem?

June 7th, 2011, 05:32 PM	#2
95tbirdv8 Enthusiast 1990 mustang gt Join Date: May 2010 Location: houston, tx Posts: 627 iTrader: 0 reviews	is your car having problems, or you just want to test the maf sensor? When you got 11.5v at the maf, what voltage did the battery have? if you had the key on engine off along with accessories on the voltage drops. so i think 11.5v would be normal. __________________ Burning Rubber in the 5.0 http://www.youtube.com/watch?v=mKGSmRkKQcM95 95 mark8 lsc 95 tbird v8 90 mustang gt 07 silverado v8 08 yamaha r6 to be continued........ foxbodyperformance.com is the way to go

June 7th, 2011, 05:58 PM	#4
95tbirdv8 Enthusiast 1990 mustang gt Join Date: May 2010 Location: houston, tx Posts: 627 iTrader: 0 reviews	you dont need a scanner. you can use a test light, or just count how many times the check engine light turns on. DIY KOEO/KOER/Cylinder Balance Self-Test Procedure __________________ Burning Rubber in the 5.0 http://www.youtube.com/watch?v=mKGSmRkKQcM95 95 mark8 lsc 95 tbird v8 90 mustang gt 07 silverado v8 08 yamaha r6 to be continued........ foxbodyperformance.com is the way to go

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